feat: add BeadsDB mesh queue backend#6
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…s file, pending guard, cooldown sweep appendRemoteLedgerEntries (#1): - dedup now uses tail:1000 instead of full O(n) readLedgerEntries; P2P replication is cursor-based so duplicates appear in the recent tail Archive rotation (#4): - compactLedger now rotates .archive.jsonl to .archive.N.jsonl (max 5) when the archive exceeds 50MB before appending new entries Worker JSON extraction validation (#5): - extractJsonObjectFromSummary now requires at least one mesh worker result field (changedFiles|errors|gitStatus|nextAction|validationResults) before accepting a JSON block; prevents false positives from tool/log JSON in the final summary Archived counts file (#6): - compactLedger writes cumulative counts to <meshId>.archived-counts.json - getLedgerSummary reads and merges archived counts so taskCompleted/Failed/ Stalled and totalEntries are accurate even after compaction Pending events size guard (#2): - queuePendingMeshCoordinatorEvent trims the pending-events.jsonl to the last 50 events when it exceeds 100KB before appending; prevents unbounded growth when coordinator stops draining autoLaunchCooldownUntil cleanup (#3): - sweepExpiredCooldowns() removes expired entries from the cooldown Map whenever a new cooldown is set; inline check at read site also cleans up the checked key; prevents long-lived daemon Map accumulation Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Reworks the PR #5 BeadsDB idea as a focused mesh queue storage feature.\n\nChanges:\n- add a better-sqlite3-backed BeadsDB store for mesh queue rows\n- keep the existing mesh-work-queue public API intact\n- migrate existing .queue.json files on first read\n- use immediate SQLite write transactions for queue mutations\n- update mesh queue tests to avoid JSON-file coupling\n\nIntentionally not included here:\n- GasTown/Refinery automatic requeue policy; that should be a separate queue policy feature.\n\nVerified:\n- npm run typecheck -w packages/daemon-core\n- npm run test -w packages/daemon-core -- mesh-work-queue.test.ts mesh-events.test.ts\n- npm run build -w packages/session-host-core\n- npm run test -w packages/daemon-core